[Fix] parse: ignore __proto__ keys

[ljharb]

No description provided.

[codecov]

Codecov Report

Merging #428 (8b4cc14) into main (ad63d36) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #428   +/-   ##
=======================================
  Coverage   99.85%   99.85%           
=======================================
  Files           8        8           
  Lines        1408     1423   +15     
  Branches      172      173    +1     
=======================================
+ Hits         1406     1421   +15     
  Misses          2        2           

Impacted Files	Coverage Δ
lib/parse.js	100.00% <100.00%> (ø)
test/parse.js	99.79% <100.00%> (+<0.01%)	⬆️

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[ljharb]

v6.10.3 has been released with this change. This has also been backported to v6.9.7, v6.8.3, v6.7.3, v6.6.1, v6.5.3, v6.4.1, v6.3.3, and v6.2.4.